2 507 597 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite, with 3 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶³

Factored

Factor	Digits	Bits	Date
135410239	9	27.0	old
11660177520014497	17	53.4	2014-09-20 10:46:07
84540839306683703	17	56.2	2015-03-18 12:41:04

ECM

Digits	B1	Curves
25	50000	132 / 280

Estimated T-Level: 22.4 ⓘ

TF below 2^69 is very unlikely to find new factors due to ECM effort.

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2017-10-14	Oliver Kruse	D8F87A0D7A1F2F68	3	753240	5	3
Verified	PRP without proof (not generated)	2017-11-30	storm5510	D8F87A0D7A1F2F68	3	1717033	5	3

History

Date	User	Type	Result
2022-08-20	USAFSS	NF-PM1	B1=240000, B2=199861200
2017-11-30	storm5510	C-PRP	M2507597/135410239/11660177520014497/84540839306683703 : D8F87A0D7A1F2F68
2017-10-14	Oliver Kruse	C-PRP	M2507597/135410239/11660177520014497/84540839306683703 : D8F87A0D7A1F2F68
2015-03-18	TJAOI	F	Factor: 84540839306683703
2014-09-20	TJAOI	F	Factor: 11660177520014497

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